9984541841 has 2 divisors, whose sum is σ = 9984541842. Its totient is φ = 9984541840.

The previous prime is 9984541829. The next prime is 9984541843. The reversal of 9984541841 is 1481454899.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7169178241 + 2815363600 = 84671^2 + 53060^2 .

It is a cyclic number.

It is not a de Polignac number, because 9984541841 - 2²⁶ = 9917432977 is a prime.

Together with 9984541843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9984541843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4992270920 + 4992270921.

It is an arithmetic number, because the mean of its divisors is an integer number (4992270921).

Almost surely, 2^9984541841 is an apocalyptic number.

It is an amenable number.

9984541841 is a deficient number, since it is larger than the sum of its proper divisors (1).

9984541841 is an equidigital number, since it uses as much as digits as its factorization.

9984541841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 53.

The square root of 9984541841 is about 99922.6793125565. The cubic root of 9984541841 is about 2153.3239977267.

The spelling of 9984541841 in words is "nine billion, nine hundred eighty-four million, five hundred forty-one thousand, eight hundred forty-one".